Fixed #5406: Ensure mouse wheel rotation step is never zero

thank you @victorking528

diff --git a/client/Mac/MRDPView.m b/client/Mac/MRDPView.m
index 47f2975..bdc3c32 100644 (file)
--- a/client/Mac/MRDPView.m
+++ b/client/Mac/MRDPView.m
@@ -434,6 +434,9 @@ DWORD WINAPI mac_client_thread(void* param)
                return;
 
        /* send out all accumulated rotations */
+       if (units > WheelRotationMask)
+               units = WheelRotationMask;
+
        while (units != 0)
        {
                /* limit to maximum value in WheelRotationMask (9bit signed value) */